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Fish or cut bait
Trotline - Wikipedia ... Trotline
Ball-peen hammer
Two-hybrid screening
Fish - Wikipedia ... Fish
Technical drawing
Types of press tools
A bait ball, or baitball, occurs when small fish swarm in a tightly packed spherical formation about a common centre. [1] It is a last-ditch defensive measure adopted by small schooling fish when they are threatened by predators. Small schooling fish are eaten by many types of predators, and for this reason they are called bait fish or forage fish.